Alert archive / Nebraska / Red Flag Warnings in 2007
Red Flag Warning 2, NWS North Platte, NE
NWS North Platte, NE issued this red flag warning at Aug 13, 2007, 3:59 AM MDT for 18 counties in Nebraska. It took effect at Aug 13, 2007, 9:00 AM MDT. It was in force for 12 hr. 5 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 13, 2007, 3:59 AM MDT (09:59 UTC)
- In effect from
- Aug 13, 2007, 9:00 AM MDT
- Expired
- Aug 13, 2007, 8:33 PM MDT
- In force
- 12 hr
- Issued by
- NWS North Platte, NE
Counties Arthur County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Cherry County, NE, Deuel County, NE, Garden County, NE, Grant County, NE, Holt County, NE, Hooker County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE
The radar
The North Platte radar (KLNX), 16 km from the middle of the area, began a volume at 09:59 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 13, 3:38 PM MDT | HAIL 1 | 12 E Valentine, NE | |
| Aug 13, 4:30 PM MDT | HAIL 0.88 | 23 Sw Hyannis, NE | |
| Aug 13, 4:35 PM MDT | TSTM WND GST 31 | 31 S Valentine, NE | SOME PEA SIZE HAIL |
| Aug 13, 4:35 PM MDT | HAIL 0.88 | 31 S Valentine, NE | |
| Aug 13, 6:37 PM MDT | HAIL 1 | 20 Wsw Brownlee, NE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 10.0 hours before the alert went out and 95 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1386 J/kg
- Mixed-layer CIN
- -236 J/kg
- Mixed-layer LCL
- 1561 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 244 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS83 KLBF 130959 RFWLBF RED FLAG WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 459 AM CDT MON AUG 13 2007 .A COMBINATION OF EXTREME TEMPERATURES...DRY FUELS AND THUNDERSTORMS WITH LITTLE RAINFALL NEAR A WIND SHIFT LINE WILL CREATE DANGEROUS FIRE WEATHER CONDITIONS TODAY AND TONIGHT ACROSS MUCH OF WESTERN AND NORTH CENTRAL NEBRASKA NORTH OF INTERSTATE 80. NEZ204-206-208-132100- /O.UPG.KLBF.FW.A.0002.070813T1500Z-070814T0300Z/ /O.NEW.KLBF.FW.W.0002.070813T1500Z-070814T0300Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR- 459 AM CDT MON AUG 13 2007 /359 AM MDT MON AUG 13 2007/ ...RED FLAG WARNING IN EFFECT FROM 10 AM CDT /9 AM MDT/ THIS MORNING TO 10 PM CDT /9 PM MDT/ THIS EVENING... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM CDT /9 AM MDT/ THIS MORNING TO 10 PM CDT /9 PM MDT/ THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. EXTREME TEMPERATURES IN THE LOW ONE HUNDREDS...DRY FUEL CONDITIONS AND THUNDERSTORMS WITH LITTLE PRECIPITATION WILL CREATE CRITICAL FIRE WEATHER CONDITIONS ACROSS MUCH OF WESTERN AND NORTH CENTRAL NEBRASKA NORTH OF INTERSTATE 80 TODAY AND TONIGHT. THE ZONES MOST AFFECTED WILL BE NORTHERN PORTIONS OF 204...AND WESTERN PORTIONS OF 206 AND 208. THIS WOULD BE ALONG AND NORTH OF A CHAPPELL TO VALENTINE LINE. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ POWER
3 follow-up statements
000 WWUS83 KLBF 131704 RFWLBF RED FLAG WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 1204 PM CDT MON AUG 13 2007 .A COMBINATION OF EXTREME AFTERNOON TEMPERATURES...DRY FUELS AND THUNDERSTORMS WITH LITTLE RAINFALL NEAR A WIND SHIFT LINE WILL CREATE DANGEROUS FIRE WEATHER CONDITIONS TODAY AND TONIGHT ACROSS MUCH OF WESTERN AND NORTH CENTRAL NEBRASKA NORTH OF INTERSTATE 80. NEZ204-206-208-140115- /O.CON.KLBF.FW.W.0002.000000T0000Z-070814T0300Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR- 1204 PM CDT MON AUG 13 2007 /1104 AM MDT MON AUG 13 2007/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING. VERY HOT AFTERNOON TEMPERATURES OF 100 TO 105...DRY FUEL CONDITIONS AND THUNDERSTORMS WITH LITTLE PRECIPITATION WILL CREATE CRITICAL FIRE WEATHER CONDITIONS ACROSS MUCH OF WESTERN AND NORTH CENTRAL NEBRASKA NORTH OF INTERSTATE 80 TODAY AND TONIGHT. THE ZONES MOST AFFECTED WILL BE NORTHERN PORTIONS OF 204...AND WESTERN PORTIONS OF 206 AND 208. THIS WOULD BE ALONG AND NORTH OF A CHAPPELL TO VALENTINE LINE. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ JWS
000 WWUS83 KLBF 132028 RFWLBF RED FLAG WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 328 PM CDT MON AUG 13 2007 .A COMBINATION OF EXTREME AFTERNOON TEMPERATURES...DRY FUELS AND THUNDERSTORMS WITH LITTLE RAINFALL NEAR A WIND SHIFT LINE WILL CREATE DANGEROUS FIRE WEATHER CONDITIONS THROUGH MID EVENING ACROSS PORTIONS OF NORTHWEST NEBRASKA. NEZ204-206-208-140300- /O.CON.KLBF.FW.W.0002.000000T0000Z-070814T0300Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR- 328 PM CDT MON AUG 13 2007 /228 PM MDT MON AUG 13 2007/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING FOR THUNDERSTORMS WITH LITTLE PRECIPITATION AND LOW RELATIVE HUMIDITY LEVELS... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING. VERY HOT LATE AFTERNOON TEMPERATURES OF 100 TO 105...DRY FUEL CONDITIONS AND THUNDERSTORMS WITH LITTLE PRECIPITATION WILL CREATE CRITICAL FIRE WEATHER CONDITIONS ACROSS PORTIONS OF NORTHWEST NEBRASKA THROUGH THE MID EVENING HOURS. THE ZONES MOST AFFECTED WILL BE NORTHERN PORTIONS OF 204...AND WESTERN PORTIONS OF 206 AND 208. THIS WOULD BE ALONG AND NORTH OF AN OSHKOSH TO CODY LINE. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ 13
000 WWUS83 KLBF 140233 RFWLBF RED FLAG WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 933 PM CDT MON AUG 13 2007 ...RED FLAG WARNING CANCELLED... .RELATIVE HUMIDITIES HAVE RECOVERED TO 20 PERCENT OR GREATER ACROSS ALL OF THE WARNED AREA. THE THREAT FOR THUNDERSTORMS HAS ALSO ENDED FOR THE REMAINDER OF THE EVENING. THE RED FLAG WARNING HAS THEREFORE BEEN CANCELLED. NEZ204-206-208-140345- /O.CAN.KLBF.FW.W.0002.000000T0000Z-070814T0300Z/ EASTERN PANHANDLE/CRESCENT LAKE NWR- SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R MCKELVIE NATIONAL FOREST- NIOBRARA VALLEY/FORT NIOBRARA NWR- 933 PM CDT MON AUG 13 2007 /833 PM MDT MON AUG 13 2007/ ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS CANCELLED THE RED FLAG WARNING. RELATIVE HUMIDITIES HAVE RECOVERED AND THUNDERSTORM CHANCES HAVE ENDED FOR THE REMAINDER OF THE EVENING. $$ JMC
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 3:21 PM MDT | Severe Thunderstorm Warning | LBF | Brown, Cherry, Keya Paha | 54 min |
| Aug 13, 3:52 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 53 min |
| Aug 13, 4:06 PM MDT | Tornado Warning | LBF | Cherry | 54 min |
| Aug 13, 4:15 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Garden, Grant | 60 min |
| Aug 13, 4:58 PM MDT | Severe Thunderstorm Warning | LBF | Boyd, Keya Paha | 51 min |
Nearby
Red Flag Warnings in Nebraska, 2007Every red flag warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.